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54results about How to "Promote sustainable development of resources" patented technology

Powder coating for improving wear resistance and wear reduction of surface of aluminum profile

The invention relates to a powder coating for improving wear resistance and wear reduction of the surface of an aluminum profile. According to the invention, modified epoxy resin prepared by introducing polyfunctional groups into epoxy resin improves heat resistance and corrosion resistance and shortens curing time; melt extrusion is performed in order to further make up the defects of insufficient adhesive force and no wear resistance; an anti-scratching agent is added, so binding force to the aluminum profile is strong, and protective performance cannot be gradually reduced along with the prolonging of the service time of the coating. The powder coating prepared by the invention is applied to the surface of the aluminum profile, and has good associativity; and when the surface of the aluminum profile is coated with the powder coating, the powder coating shows excellent adhesion capability, has high mechanical strength, good weather resistance, chemical resistance, scratch resistanceand scuff resistance, cannot be damaged and lose efficacy, presents very strong wear resistance and reduction performance and high chemical corrosion resistance, plays an excellent protection role invarious complex environments, can bear erosive wear of gas, solid and liquid, has excellent outdoor stability, and prolongs the service life of the aluminum profile.
Owner:ANHUI SHUNBANG FINE CHEM

Preparation method of high-specific-capacity lithium battery cathode material

The invention relates to the technical field of lithium battery cathode material preparation, discloses a preparation method of a high-specific-capacity lithium battery cathode material, and solves the problems that a sulfur-containing composite material cannot meet the requirement of rapid charging and discharging, a large amount of auxiliary conductive agent needs to be added, the sulfur-containing composite material is easily dissolved in electrolyte during discharging and the service life of a battery is influenced, the performance of the sulfur-containing composite material in the lithiumbattery is remarkably improved, the performance of the positive electrode material can be effectively improved, the performance of the prepared positive electrode material is comprehensively improved, and the circularity is enhanced. According to the invention, the conductivity of the sulfur-carbon composite positive electrode material is improved, the specific capacity is high, the effective value reaches 1240-1300mAh/g, the sulfur-carbon composite positive electrode material can also show excellent cycle performance at room temperature, the properties of quick charge and discharge, long discharge time, light weight and the like of a lithium battery are further improved, the requirements of modern electronic equipment industry are met, the use amount of a conductive agent is reduced, andcost is reduced.
Owner:安徽嘉誉伟丰机电科技股份有限公司

Polyester type high-temperature-resistant powder coating

The invention relates to a polyester type high-temperature-resistant powder coating. According to the invention, the preparation formula of the traditional polyester resin and the synthesis conditionsof reaction temperature, reaction time, additive addition and the like in the preparation process are changed; the physical and chemical properties of the prepared modified polyester resin are completely different from those of conventional polyester resin, the acid value of the prepared modified polyester resin is 69-79 mgKOH/g, the viscosity is 32-37 P/DEG C, the glass-transition temperature and decomposition temperature are increased, and the prepared modified polyester resin has good stability and heat resistance. The prepared powder coating is good in storage stability, not prone to agglomeration, beneficial to electrostatic spraying construction, good in film mechanical property and high in coating performance, the problem that a polyester resin system is poor in thermal stability is effectively solved, the mechanical property of a coating film is improved, and the effects of remarkably improving heat resistance, enhancing and toughening are achieved. The method is suitable forbatch production, the production cost of enterprises is greatly reduced, more economic benefits and social benefits are brought, and the method has very wide application prospects.
Owner:ANHUI SHUNBANG FINE CHEM

Method for improving corrosion resistance of surface of power distribution cabinet

The invention relates to the technical field of novel material processing, and discloses a method for improving the corrosion resistance of the surface of a power distribution cabinet. According to the method provided by the invention, the principle of electrochemical corrosion and the change law of the physical and chemical properties of a corrosive scale layer are studied, in the preparation process of a protective coating, a layered polymetallic material is prepared by using lanthanum oxide as a raw material and an atom with a special electronic structure as a center and utilizing magnesiumions and metaaluminate radicals, the layered polymetallic material is subjected to organic structural modification to form a composite system, the composite system is added into an epoxy resin coating, the obtained anticorrosive coating coats the power distribution cabinet, so that the thermal stability and chemical stability of the metal material are improved, the free energy is a positive value, liquid phase transmission is prevented, and progress of corrosion is inhibited; and in the mass transfer process, resistance is set in an adsorption, charge transfer and electrochemical reaction tolimit an electrode reaction in the electrochemical reaction, so that electrochemical corrosion is effectively inhibited, the power distribution cabinet has excellent corrosion resistance in harsh working environments, and the safety and service life of the power distribution cabinet are improved.
Owner:刘宁

Method for preparing zinc oxide from material recovered from zinc-containing anticorrosive paint waste

The invention relates to the technical field of novel material processing, and discloses a method for preparing zinc oxide from a material recovered from zinc-containing anticorrosive paint waste. Through pretreatment of the zinc-containing anticorrosive paint waste, the influence of hydrolysis of organic matter in paint on leaching extraction separation purification in a next step is reduced, theleaching rate is improved, the separation difficulty is reduced, the leaching time is shortened, the leaching temperature is reduced, and the acidity of a leaching solution can be selected at a lowerlevel range; in the extraction process, an extraction reagent and control conditions are selected to achieve high-efficiency low-energy consumption extraction results, finally the zinc oxide is prepared through recovery, the recovery rate is increased by 15-20%, the impurity content is less than 0.001%, and the purity reaches a class-I standard; and the method can significantly improve the quality of the zinc oxide prepared through recovery, reduce energy consumption and save costs, the recovery rate reaches 94% or more, the problems of a complex process, high energy consumption, a low yieldand low quality of current raw ore zinc pyrometallurgy can be solved, and the economic and social benefits are significantly improved.
Owner:安徽泰龙锌业有限责任公司

Method for improving utilization efficiency of gypsum in sulphoaluminate cement

InactiveCN111470789ASuppression of compressive strength shrinkage defectsImprove performanceCompressive resistancePhysical chemistry
The invention relates to the technical field of preparation of novel building materials, and discloses a method for improving the utilization efficiency of gypsum in sulphoaluminate cement. The methodincludes pre-treating Gypsum to improve the activation performance of the gypsum; applying same for respectively preparing sulphoaluminate cement clinker and adding pretreated gypsum into the sulphoaluminate cement clinker in a post-mixing manner, thus improving the gel strength and reducing the water demand, promoting sulphoaluminate cement clinker firing, and reducing combustion temperature andcarbon dioxide yield; according to the invention, the zinc-containing multi-metal nano powder is utilized to improve the hydration activity of the calcium sulphoaluminate mineral, a large amount of post-doped gypsum is not needed, and the prepared sulphoaluminate cement has the strength 12-17% higher than that of the sulphoaluminate cement added by 2 times of the amount of gypsum. The invention solves the problems of high gypsum consumption and poor accumulation effect in the preparation of sulphoaluminate cement, further enhances the resistance, durability, cracking resistance and other properties of the sulphoaluminate cement, and effectively inhibits the defect of later compressive strength shrinkage of the sulphoaluminate cement.
Owner:肥西县创玺建材科技有限公司

Antibacterial and odor-removing treatment method of cicada pupa protein fiber textile

The invention relates to the technical field of textile industry development, and discloses an antibacterial and odor-removing treatment method of a cicada pupa protein fiber textile. The cicada pupaprotein fiber textile is subjected to oscillation cleaning in a treatment liquid containing an antibacterial porous adsorption material, the treatment time is short, and the effect is remarkable; according to the prepared antibacterial porous adsorption material, the specific surface area is large, well-developed pore structure and strong adsorption capacity causes no damage to cicada pupa proteinfibers, the surface gloss and mechanical strength of the cicada pupa protein fiber are kept, and the physical and chemical property is very stable; and the cicada pupa protein fiber textile has excellent antibacterial adsorption property, can remove peculiar smell, prevent discoloration, adsorb and remove harmful substances, the cicada pupa protein fiber textile becomes softer and has fine hand feeling, the application range of the cicada pupa protein fiber in the textile field is expanded, the process can well solve the technical dilemma that the existing cicada pupa protein fiber is easy tohydrolyze and the processing treatment performance is poor, and the protein fiber loss rate is less than 0.01%.
Owner:安徽省锦元纺织品科技有限公司

Surface coating for automobile aluminum profile part

The invention relates to a surface coating for an automobile aluminum profile part, which takes an environment-friendly waterborne polyurethane emulsion as a basic raw material, and a prepared modified protective agent is added into the coating, so that the film-forming toughness can be improved, the tensile strength is obviously improved, and the binding force of intermolecular bonds is obviouslyenhanced; therefore, the anti-aging performance is correspondingly enhanced; the defects of insufficient adhesive force and no wear resistance of the water-based paint can also be overcome; and the added modified protective agent can obviously enhance the corrosion resistance and wear resistance after curing and film formation, thereby preventing the permeation and diffusion of the water and corrosive medium. The prepared coating has very high chemical stability, corrosion resistance and non-mobility, the corrosion resistance of the surface of the aluminum profile is improved, the prepared water-based paint is different from common solvent type paint, the binding force to the aluminum profile is high, the protective performance cannot be gradually reduced along with prolonging of the service life of the coating, and very wide application prospects are achieved.
Owner:MAANSHAN SANCHUAN MACHINERY MFG CO LTD

Method for recycling and preparing high-quality zinc oxide from zinc wastes

The invention relates to the technical field of new material processing, and discloses a method for recycling and preparing high-quality zinc oxide from zinc wastes. Zinc waste components and the separation and recovery principle are researched, so the problems of poor quality and low recovery rate of existing recycled zinc products are solved from internal factors; and the zinc wastes are dissolved through an alkali liquor, a magnetic adsorption material is added into the obtained dissolving solution, and filtration is performed to prepare zinc oxide. The method can remarkably improve the quality of the recycled zinc oxide, reduce energy consumption and save the cost; and the energy consumption of 1 ton of yield in the regenerated zinc oxide production process is only 14-15% of the energyconsumption of primary zinc preparation, so the problems of complexity and high energy consumption of an existing pyrogenic zinc smelting technology and the problems of waste residue treatment difficulty increase, low yield and low quality, caused by loss of a large amount of the zinc element in extraction residues due to difficult increase of the extraction rate of acid process zinc smelting, are solved, and economic benefits and social benefits are remarkably improved.
Owner:安徽泰龙锌业有限责任公司

Method for improving durability of fast-growing wood furniture

The invention relates to the technical field of furniture material performance research, and discloses a method for improving the durability of fast-growing wood furniture. The method comprises the following steps: preparing a fast-growing wood dipping treatment solution from a prepared silane modified polyether emulsion and a silica sol, then carrying out a hydrothermal pressure impregnation reaction so as to obtain modified fast-growing wood which is excellent in aging resistance and mechanical strength, and carrying out further processing so as to prepare wooden furniture. According to thetreatment method, the fast-growing wood has excellent properties of wear resistance, compression resistance, corrosion resistance, water resistance, aging resistance, stable physical and chemical properties and the like, can be widely applied to production of various furniture, and has excellent processing performance; and the method can well solve the problems that the fast-growing wood in the furniture field is common in processing and using performances and has a plurality of defects in processing and application, improves the strength performance of a fast-growing wood material, achieves good effect in a plurality of aspects, relieves the supply and demand contradiction of the wood, and realizes highly-efficient utilization of the fast-growing wood.
Owner:FUNAN COUNTY TIANYI CRAFTS

Method for reducing deterioration speed of rapeseed oil in frying process

InactiveCN110699177ASolve the problem of rapid deteriorationSolve the problem of generating hazardous substancesFatty substance preservation using additivesFatty-oils/fats productionFood materialProcess engineering
The invention relates to the technical field of agricultural and sideline product processing, and discloses a method for reducing the deterioration speed of rapeseed oil in a frying process. Accordingto the invention, the physical and chemical properties and the cooking taste of oil frying are studied, so that the problem that the rapeseed oil is oxidized and deteriorated to generate harmful substances in the high-temperature frying process is solved, the thermal oxidation, thermal polymerization, thermal decomposition and oxidation reactions are prevented under the frying high-temperature condition, the taste of the erucic acid in the rapeseed oil can be covered by adding the prepared anti-oxidation protection agent, the taste of the dish is not affected, the generation of the fragrancein the cooking can be promoted, and the food material processing is facilitated; the method comprises: preparing low-fat rapeseed oil by adopting a low-temperature squeezing method, adding a preparedanti-oxidation protection agent, and finally blending; and the process can well solve the disadvantage of high-temperature intolerance and easy deterioration of the existing rapeseed oil, is not addedwith harmful substances in the treatment process, has characteristics of no impurity residue, simple technology and low cost, and improves the utilization rate of the rapeseed oil in the frying process.
Owner:安徽省含山县油脂有限公司

A kind of anti-compression and anti-deformation thermal insulation material for furniture production

The invention relates to the technical field of furniture material performance research, and discloses a pressure-resistant and deformation-resistant thermal insulation material for furniture production, which uses acrylonitrile and methacrylic acid as monomers, adds a prepared nucleation accelerator, and performs pre-polymerization to obtain a pre-polymerized material. The polymer is further foamed at high temperature to obtain the compression-resistant and anti-deformation thermal insulation material; the thermal conductivity of the prepared thermal insulation material is 0.018-0.020w / mk, the thermal conductivity will not increase due to moisture absorption, and the aging resistance and mechanical strength are excellent. The thermal insulation material has excellent properties such as light weight, insulation, shock resistance, compression resistance, corrosion resistance, water resistance, aging resistance, and stable chemical properties. It can be widely used in the insulation core layer of furniture and has excellent forming properties. It solves the dilemma of general thermal insulation performance of thermal insulation materials in the furniture field and many shortcomings in processing and application. In addition to improving the thermal insulation performance of materials, it has also achieved good results in other aspects.
Owner:ANHUI CHANGFA IND

Preparation method of heating material for heating self-heating food

InactiveCN110845999ASolve the problem of less heat production and uneven heatEvenly heatedHeat-exchange elementsSelf-heating food packagingIron oxide
The invention relates to the technical field of processing of new materials and discloses a preparation method of a heating material for heating self-heating food. According to the invention, based onstudies on the principles of heat conduction, heat convection and heat transfer, the prepared magnetic porous-structure heating material is used as a heat source for self-heating of food, and good heat conduction effect is obtained; non-magnetic components are magnetized in virtue of magnetocaloric effect under the action of the magnetic force of nanometer iron oxide, so heat is further generatedto heat food; and the heating material does not generate harmful and dangerous gas in the use process, is high in heat release efficiency, can be repeatedly used after demagnetization, and is not affected in use effect. With the preparation method in the invention, the heating efficiency of the heating material for food can be remarkably improved, and heat production is stable; the heat release amount of the prepared heating material per unit mass reaches 1700-1800 kcal/kg; the prepared heating material is resistant to storage, light in weight, high in heat production efficiency, uniform in food heating, friendly to environment, and safe and convenient to used; and overturning is not needed in the using process of the heating material, so the taste and convenience of self-heating food areimproved.
Owner:安徽省三车节能科技有限公司
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